<template>
	<view v-if="goods_info.goods_name" class="goods-view">
		<swiper indicator-dots="true" autoplay="true" interval="3000" circular="true">
			<swiper-item class="" v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="Preview(i)"></image>
			</swiper-item>
		</swiper>
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">￥{{goods_info.goods_price}}</view>
			<!-- 信息主体区域 -->
			<view class="goods-info-boby">
				<!-- 名称 -->
				<view class="goods-name">{{goods_info.goods_name}}</view>
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">快递:免运费</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
	</view>
	<!-- 商品导航组件 -->
	<view class="gooods-nav">
		<uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick"
			@buttonClick="buttonClick" />
	</view>
</template>

<script>
	
	import { mapState,mapMutations,mapGetters } from 'vuex';
	
	export default {
			computed:{
				...mapState('m_cart',[]),
				...mapGetters('m_cart',['total']),
			},
			watch:{
				// total(newVal){
				// 	const findResult = this.options.find(x=>x.text === '购物车')
				// 	if(findResult){
				// 		findResult.info = newVal
				// 	}
				// }
				total:{
					handler(newVal){
						const findResult = this.options.find(x=>x.text === '购物车')
						 	if(findResult){
						 		findResult.info = newVal
						}
					},
					immediate:true
				}
			},
		data() {
			return {
				goods_info: {},
				options: [
				 {
					icon: 'shop',
					text: '店铺',
					
					infoBackgroundColor: '#007aff',
					infoColor: "red"
				}, {
					icon: 'cart',
					text: '购物车',
					info: 0
				}],
				buttonGroup: [{
						text: '加入购物车',
						backgroundColor: '#ff0000',
						color: '#fff'
					},
					{
						text: '立即购买',
						backgroundColor: '#ffa200',
						color: '#fff'
					}
				]
			};
		},
		onLoad(options) {
			// 获取商品id
			const goods_id = options.goods_id
			// 调用请求商品详细信息方法
			this.getGoodsDetail(goods_id)
		},
		methods: {
			...mapMutations('m_cart',['addToCart']),
			
			// 定义请求商品详情数据的方法
			async getGoodsDetail(goods_id) {
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/detail', {
					goods_id
				})
				if (res.meta.status !== 200) return uni.$showMsg()
				// res.message.goods_introduce =res.message.goods_introduce.replace(/<img/g,'<img style="display:block"').replace(/webp/g,'jpg')
				res.message.goods_introduce = res.message.goods_introduce.replace(/<img/g,
					'<img style="display:block"')
				// 为data 中的数据赋值
				this.goods_info = res.message
				
				// 手动替换图片地址中的 http => https
				 const goods = res.message
				    goods.pics = goods.pics.map(pic => {
				      pic.pics_big = pic.pics_big.replace(/^http:/, 'https:')
				      return pic
				    })
					
				
			},
			Preview(i) {
				uni.previewImage({
					current: i,
					urls: this.goods_info.pics.map(x => x.pics_big)
				})
			},
			onClick(e) {
				uni.showToast({
					title: `点击${e.content.text}`,
					icon: 'none'
				})
				uni.switchTab({
					url:'/pages/cart/cart'
				})
			},
			
			buttonClick(e) {
				// console.log(e)
				// this.options[2].info++
				if(e.content.text === '加入购物车'){
					//组织商品的信息对象
					//{'goods_id','goods_name',goods_price,'goods_count','goods_small_logo','goods_state' }
					const goods = {
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
						
					}
					
					//在调用addToCart
					this.addToCart(goods)
					
				}
			}
		}

	};
</script>

<style lang="scss">
	swiper {
		height: 750rpx;
	}

	image {
		width: 100%;
		height: 100%;
	}

	.goods-info-box {
		padding: 10px;
		padding-right: 0;
	}

	.price {
		color: #c00000;
		font-size: 18px;
		margin: 10px 0;
	}

	.goods-info-boby {
		display: flex;
		justify-content: space-between;
	}

	.goods-name {
		font-size: 13px;
		margin-right: 10px;
	}

	.favi {
		width: 120px;
		font-size: 12px;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		border-left: 1px solid #efefef;
		color: gray;

	}

	.yf {
		font-size: 12px;
		color: gray;
		margin: 10px 0;
	}
	.gooods-nav{
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
	}
	.goods-view{
		padding-bottom: 50px;
	}
</style>